Home / 8,207.64-12,259.09-7,426.44

Finding the Fourth Proportional to 8,207.64, 12,259.09 and 7,426.44

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Solution

The fourth proportional to 8,207.64, 12,259.09 and 7,426.44 is: 11,092.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.64 : 12,259.09 = 7,426.44 : x
  2. Step 2: Convert to fraction form
    8,207.64/12,259.09 = 7,426.44/x
  3. Step 3: Cross multiply
    8,207.64x = 12,259.09 × 7,426.44
  4. Step 4: Simplify right side
    8,207.64x = 91,041,396.34
  5. Step 5: Solve for x
    x = 91,041,396.34/8,207.64
  6. Step 6: Final answer
    x = 11,092.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.